Patents by Inventor Pang-Cha Lu

Pang-Cha Lu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8551587
    Abstract: Provided is a polypropylene film, and a method of making the film, the film comprising at least one core layer sandwiched between at least two skin layers, the layers comprising a core layer comprising polypropylene and within the range of from 20 wt % to 50 wt %, by weight of the materials in the core layer, of a propylene-?-olefin elastomer having within the range of from 5 wt % to 25 wt % ?-olefin derived units, by weight of the copolymer; and skin layers comprising one or more polymers having a melting point within the range of from 125° C. to 160° C., a Shore D Hardness within the range of from 55 to 70, and a Flexural Modulus of at least 600 MPa; wherein the film has a Haze value of less than 10%, the film being biaxially oriented but shrinkable substantially only in the MD.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: October 8, 2013
    Assignee: ExxonMobil Oil Corporation
    Inventors: Pang-Cha Lu, Benoit Ambroise